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低分子量生物基芳香物从热解液体中使用化物:通过使用热解油碎片提高产量

Dian S Santosa¹, Leon Rohrbach¹, Hans Heeres²

¹Green Chemical Reaction Engineering, Engineering and Technology Institute Groningen, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.

|January 27, 2025

概括

从红纤维素生物质中分化热解液是生产,和 (BTX) 的关键. 富含的分离物产生了最高的BTX,支持生物炼油厂的概念.

科学领域:

生物质转换生物质转换
催化剂是一种催化剂.
绿色化学是一种绿色化学.

背景情况:

来自林氏纤维素生物质的热解液体是,和 (BTX) 等芳香化合物的潜在来源.
用热利石进行催化升级是将这些液体转化为有价值的化学物质的一个有前途的方法.
优化原料对于高效的BTX合成至关重要.

研究的目的:

实验性地确定最适合,和 (BTX) 合成的热解油分量.
研究不同热解油分量的化学成分与它们的BTX产量之间的相关性.
支持开发热解生物炼油厂,生产生物化学品和生物燃料.

主要方法:

用提取和蒸方法将热解液分成四个不同的分量.
使用NMR,GC-MS和GPC等技术对每个分量的详细化学表征.
催化转换实验使用一个与H-ZSM-5热酸盐催化剂配对的微反应器.

主要成果:

24%的最高BTX收益率是使用富含化合物的分离物实现的.
其他分数的BTX金额明显较低,从4.4%到9%不等.
在原料成分和BTX生产效率之间建立了相关性.

结论:

原料分化对于最大限度地提高热解液的BTX产量至关重要.
富含的分离物非常适合通过催化升级进行BTX合成.
这些发现验证了热解生物炼油厂的概念,用于有针对性的生产生物基化学品.

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